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Subject[PATCH 08/12] ARM: dts: dragonboard-600c: add pcie support
Date
This patch adds pcie and regulators required to get on board ATL1C
ethernet working.
---
.../arm/boot/dts/qcom-apq8064-dragonboard-600c.dts | 36 ++++++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
index 5374510..d3e6193 100644
--- a/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-dragonboard-600c.dts
@@ -20,6 +20,16 @@
regulator-type = "voltage";
regulator-boot-on;
};
+
+ /* on board fixed 3.3v supply */
+ vcc3v3: vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
};

soc {
@@ -31,6 +41,18 @@
bias-disable;
};
};
+
+ pcie_pins: pcie_pinmux {
+ mux {
+ pins = "gpio27";
+ function = "gpio";
+ };
+ conf {
+ pins = "gpio27";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ };
};

rpm@108000 {
@@ -109,6 +131,10 @@
regulator-max-microvolt = <1900000>;
bias-pull-down;
};
+
+ lvs6 {
+ bias-pull-down;
+ };
};
};

@@ -135,6 +161,16 @@
};
};

+ pci@1b500000 {
+ status = "okay";
+ vdda-supply = <&pm8921_s3>;
+ vdda_phy-supply = <&pm8921_lvs6>;
+ vdda_refclk-supply = <&vcc3v3>;
+ pinctrl-0 = <&pcie_pins>;
+ pinctrl-names = "default";
+ perst-gpio = <&tlmm_pinmux 27 GPIO_ACTIVE_LOW>;
+ };
+
/* OTG */
phy@12500000 {
status = "okay";
--
2.5.0
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